Pith Number

pith:SGUBZOEM

pith:2014:SGUBZOEMXXTZSAFFSVK2IVHOP7

not attested not anchored not stored refs pending

Spelling Rules for the Monster/Semple Tower

Alex L. Castro, Wyatt C. Howard

arxiv:1407.1824 v1 · 2014-07-07 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SGUBZOEMXXTZSAFFSVK2IVHOP7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:48:10.331078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91a81cb88cbde79900a59555a454ee7fc50fc7687ce2054fd01c76f3a655d7e6

Aliases

arxiv: 1407.1824 · arxiv_version: 1407.1824v1 · doi: 10.48550/arxiv.1407.1824 · pith_short_12: SGUBZOEMXXTZ · pith_short_16: SGUBZOEMXXTZSAFF · pith_short_8: SGUBZOEM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SGUBZOEMXXTZSAFFSVK2IVHOP7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 91a81cb88cbde79900a59555a454ee7fc50fc7687ce2054fd01c76f3a655d7e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b2fc3a313f28dbffcd1823ef8c3aa00e4c0be0085de4e23d3f8f9c4e88fc30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-07T19:55:48Z",
    "title_canon_sha256": "c5905597bf099f682c29209e05c863567758607a0f9221d5f9a515d91fc81656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1824",
    "kind": "arxiv",
    "version": 1
  }
}